(function($)
{
  $(document).ready(function()
  {<br>
      $.ajaxSetup(
      {
          cache: false,
          beforeSend: function() {
              $('#content').hide();
              $('#loading').show();
          },
          complete: function() {
              $('#loading').hide();
              $('#content').show();
          },
          success: function() {
              $('#loading').hide();
              $('#content').show();
          }
      });
      var $container = $("#content");
     $container.load("post-data.php");
      var refreshId = setInterval(function()
      {
        $container.load('post-data.php');
      }, 9000);
  });
})(jQuery);